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Magnetic fields --- Magnétométrie. --- Gravitational fields. --- Champs gravitationnels. --- Measurement.

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This book deals with compasses for consumer applications realized in MEMS technology, to support location-based and orientation-based services in addition to ‘traditional’ functionalities based on navigation. Navigation is becoming a must-have feature in portable devices and the presence of a compass also makes location-based augmented reality emerge, where a street map or a camera image could be overlaid with highly detailed information about what is in front of the user. To make these features possible both industries and scientific research focus on three axis magnetometers. The author describes a full path from specifications (driven by customers’ needs/desires) to prototype and preparing the way to industrialization and commercialization. The presentation includes an overview of all the major steps of this research and development process, highlighting critical points and potential pitfalls, as well as how to forecast or mitigate them. Coverage includes system design, specifications fulfillment, design strategy and project development methodology, in addition to traditional topics such as microelectronics design, sensor design, development of an experimental setup and characterization. The author uses a practical approach, including pragmatic guidelines and design choices, while maintaining focus on the final target, prototyping in the direction of industrialization and mass production.

Electronics --- Electrical engineering --- Applied physical engineering --- magnetometrie --- elektronica --- ingenieurswetenschappen --- elektrische circuits

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Sociology of cultural policy --- Geodesy. Cartography --- Geophysics --- Physical geography --- Archeology --- radars --- cultureel erfgoed --- fotogrammetrie --- magnetometrie --- archeologie --- fysische geografie --- geofysica

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This book presents the integrated use of magnetometry and ground-penetrating radar geophysical mapping to understand the human presence within buried archaeological landscapes. Ground-penetrating radar can be used to identify buried living surfaces, geological stratigraphy and the architectural remains of sites in three-dimensions.  Magnetometry can produce images denoting differences on the composition of those materials, both anthropogenic and natural, but with more limited three-dimensional resolution. The integration of the two has a unique ability to resolve and interpret these buried materials, differentiated between the human-caused and natural layers, and place all buried features within historic landscapes.  The final product of geophysical integration, along with some limited subsurface testing, produces a holistic analysis of human adaptations to, and modifications of, the ancient landscape. Examples are shown from sites in Roman Croatia and Britain, Medieval Ireland, Colonial Connecticut, and an Archaic site in the Colorado Rocky Mountains.  These examples from very different environments, time periods and cultural groups illustrate how the integrated geophysical methodology can interpret, on a scale approaching many hectares, the ancient landscapes within which people lived.

Ethnology. Cultural anthropology --- Geophysics --- Geology. Earth sciences --- Physical geography --- Archeology --- radars --- magnetometrie --- antropologie --- geologie --- archeologie --- fysische geografie --- geofysica

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"Magnetoencephalography (MEG) provides a time-accurate view into human brain function. The concerted action of neurons generates minute magnetic fields that can be detected---totally noninvasively---by sensitive multichannel magnetometers. The obtained millisecond accuracycomplements information obtained by other modern brain-imaging tools. Accurate timing is quintessential in normal brain function, often distorted in brain disorders. The noninvasiveness and time-sensitivityof MEG are great assets to developmental studies, as well. This multiauthored book covers an ambitiously wide range of MEG research from introductory to advanced level, from sensors to signals, and from focal sources to the dynamics of cortical networks. Written by active practioners of this multidisciplinary field, the book contains tutorials for newcomers and chapters of new challenging methods and emerging technologies to advanced MEG users. The reader will obtain a firm grasp of the possibilities of MEG in the study of audition, vision, somatosensation, sensorimotor integration, pain, and cognitive functions both in healthy subjects and several neurological and psychiatric disorders. Development is covered from fetal and pediatric studies to the effects of aging. This volume brings fresh and welcome diversity to the existing MEG literature." MEG book review by Riitta Hari, Academician of Science, Aalto University.

Human biochemistry --- Radiotherapy. Isotope therapy --- Physical methods for diagnosis --- Neuropathology --- Applied physical engineering --- Computer. Automation --- computervisie --- beeldverwerking --- medische biochemie --- neurologie --- farmacologie --- magnetometrie --- biochemie --- pneumologie --- radiologie --- ingenieurswetenschappen --- straling